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Height Precision of SAR Altimeter and Conventional Radar Altimeter Based on Flight Experimental Data
Shi, Lingwei; Xu, Ke; Liu, Peng; Yang, Shuangbao; Wang, Lei; Yu, Xiufen; Xu, K (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, Key Lab Microwave & Remote Sensing Technol, Beijing 100190, Peoples R China.
Department空间科学部
Source PublicationIEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING
2016
Volume9Issue:6Pages:2676-2686
ISSN1939-1404
Language英语
KeywordAirborne Flight Experiment Conventional Radar Altimeter (Cra) Height Precision Saral
AbstractCompared with conventional radar altimeter (CRA), synthetic aperture radar altimeter (SARAL) is a new generation radar altimeter with better height precision and along-track spatial resolution. As using synthetic aperture technique, SARAL data processing and waveform model are very different from CRA. To verify the performance and the data processing algorithm, an airborne experimental system of SARAL is developed. The experimental system was installed in Y-12 aircraft, and some valid data was obtained in October 2014. The echo data with SAR mode is obtained in the experiment and the echo data of CRA mode is extracted from SAR mode data. The two modes have the same observation targets and error sources and, then, their height measurement precisions are comparable. The results indicate that the rangemeasurement precision of SARALis improved about 1 times. The difference of the significant wave heights from the SAR mode data and CRA mode data is negligible.
Indexed BySCI ; EI ; CPCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5603
Collection空间科学部
Corresponding AuthorXu, K (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, Key Lab Microwave & Remote Sensing Technol, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Shi, Lingwei,Xu, Ke,Liu, Peng,et al. Height Precision of SAR Altimeter and Conventional Radar Altimeter Based on Flight Experimental Data[J]. IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING,2016,9(6):2676-2686.
APA Shi, Lingwei.,Xu, Ke.,Liu, Peng.,Yang, Shuangbao.,Wang, Lei.,...&Xu, K .(2016).Height Precision of SAR Altimeter and Conventional Radar Altimeter Based on Flight Experimental Data.IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING,9(6),2676-2686.
MLA Shi, Lingwei,et al."Height Precision of SAR Altimeter and Conventional Radar Altimeter Based on Flight Experimental Data".IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING 9.6(2016):2676-2686.
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